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Julián Francisco


Polytechnic University of Madrid

Aktiv seit 2011

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MSc Aerospace Engineer. My skills about programming languages are C, Fortran, Maple and Matlab.
Professional Interests: Scientific Computing, Programming Languages, Aerospace Engineering

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Frage


Matrix multiplication (best computational approach)
I have to make a coordinates transformation between two reference systems (axes). For it, three matrices (3x3) have to be multip...

mehr als 12 Jahre vor | 3 Antworten | 0

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Frage


Hide maximize/minimize and close buttons for a figure window
I have a figure window and I want to remove the maximize/minimize and close buttons of it. I can not use any type of Java contai...

fast 13 Jahre vor | 1 Antwort | 0

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Frage


Matlab ResizeFcn callback
I am worried about the look and feel of my GUI designed with Matlab. In concrete, I do not like how the figure window resizing i...

fast 13 Jahre vor | 3 Antworten | 1

3

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Frage


Absolute and relative tolerance definitions
I am trying to understand the following Matlab definitions for RelTol and AbsTol parameters: RelTol — This tolerance is a m...

fast 13 Jahre vor | 2 Antworten | 2

2

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Frage


Zooming in and out removing
I am using the rotate3d function to allow 3D rotation of a sphere through the mouse movement. However, when I rotate it, it zoom...

fast 13 Jahre vor | 3 Antworten | 0

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Frage


Marker transparency
I would like to know if there is possible to set the transparency of a line marker to opaque in order to improve my animation: <...

fast 13 Jahre vor | 1 Antwort | 0

1

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Animation improvement
I have written a code to create an animation: <http://www.mathworks.com/matlabcentral/answers/24642-invalid-object-handle-error/...

fast 13 Jahre vor | 1 Antwort | 0

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Beantwortet
Invalid object handle error
Finally, I have found that there was a cla command line, which was the guilty of the error, in the main program before the surfa...

fast 13 Jahre vor | 0

Frage


Invalid object handle error
I have the following code which is a graphic rendering of the movement of a satellite around the Earth. function ex global ...

fast 13 Jahre vor | 2 Antworten | 0

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Frage


Updating a string inside a callback
The following code is a graphic rendering of the Earth globe spinning eastward. I have two push buttons, Spin and Stop. Both sha...

fast 13 Jahre vor | 2 Antworten | 1

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Frage


Feedback for me
Hi community members. In the last weeks, I have found my questions are not getting answers. This makes me ask myself if perhaps ...

fast 13 Jahre vor | 3 Antworten | 3

3

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Beantwortet
[DISCONTINUED] Wish-list for MATLAB Answer sections.
I would like to propose an "achievements" system similar to existing one for other Q&A sites (for example <http://stackoverflo...

fast 13 Jahre vor | 0

Beantwortet
Multicolumn legend
Here is my solution for a legend which has a 'SouthOutside' location (I have supposed that the axes graphic object has 'normaliz...

etwa 13 Jahre vor | 0

Frage


Multicolumn legend
I would like to be able to create a legend to have a number of columns given (for default the legend function has an unique colu...

etwa 13 Jahre vor | 2 Antworten | 0

2

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Frage


FontSize for the image's legend
I have the following code: X = 0:pi/100:0.25*pi; Y1 = sin(X); Y2 = cos(X); Y3 = tan(X); fh = figure('toolba...

etwa 13 Jahre vor | 2 Antworten | 0

2

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Frage


Excel header title from html code
I have a GUI with an uitable whose header's title (variable "header") uses html code. I want to export the uitable data (include...

etwa 13 Jahre vor | 1 Antwort | 0

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Html code used along with Matlab
I have recently found that Matlab can use LaTeX character sequences. However, they only can be used by the functions text, title...

etwa 13 Jahre vor | 2 Antworten | 0

2

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Frage


Automatic choice of graphics format file for print command
I have the following code: X = 0:pi/100:2*pi; Y = sin(X); fh = figure('toolbar','none','menubar','none','Units','characte...

etwa 13 Jahre vor | 1 Antwort | 0

1

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Frage


Size and resolution from an image saved as a graphic format file
I have the following code to save a plot to a graphics format file. My problem is with the image obtained. If I save the image a...

etwa 13 Jahre vor | 1 Antwort | 0

1

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Beantwortet
Please Help in MATLAB .
The trigonometric function sin(x) can be approximated by the infinite series sin(x) = x^1/1! – x^3/3! + x^5/5! – x^7/7! + x^9/9!...

etwa 13 Jahre vor | 0

Frage


Save a plot to a graphics format file
I am designed the following GUI where there are an axes. I want to save the plot drawn inside them to a graphics format file. Ho...

etwa 13 Jahre vor | 2 Antworten | 0

2

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Frage


Export uitable's data to a spreadsheet Excel
I have designed a GUI which has an uitable and a push button which, when is pressed, allows to export the uitable's data to an E...

etwa 13 Jahre vor | 1 Antwort | 0

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Frage


Setting colors for plot function
I would like to be able to choose the colors for a multiline plot but I can not get it. This is my code colors = {'b','r','...

etwa 13 Jahre vor | 2 Antworten | 0

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Modify choices for a ListBox Callback
I would like know how I could simplify(modify) the hSelecVarIndCallback function. I want to avoid the repetition of the choices ...

etwa 13 Jahre vor | 2 Antworten | 0

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Beantwortet
Display window for text file
Here is the solution for a generic archive called 'textfile.txt': f = figure('menu','none','toolbar','none'); fid = fopen('...

etwa 13 Jahre vor | 0

| akzeptiert

Frage


Display window for text file
Target: Visualize a text file inside a box which has a scrollbar.

etwa 13 Jahre vor | 1 Antwort | 0

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Beantwortet
How do I get a colormap from JPEG file?
Here is the solution for my question based on the answer of Walter Robertson: [X, map] = rgb2ind(imread('neptune.jpg'),12...

etwa 13 Jahre vor | 1

Frage


How do I get a colormap from JPEG file?
Hi. I have a jpg image file of the surface of Neptune. My intention is to build a texture mapping ( <http://www.mathworks.es/hel...

etwa 13 Jahre vor | 3 Antworten | 0

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Frage


Simple Piece of Code for improvement
Hi. It is known that MATLAB works slow with for loop. I have tried to vectorize the following code without success. Perhaps I am...

mehr als 13 Jahre vor | 4 Antworten | 1

4

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Frage


Mex-file using a vector class definition
I am trying to create a Mex-file from a C++ code source file to use it with Matlab. I have compiling errors due to the vector cl...

mehr als 13 Jahre vor | 1 Antwort | 0

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